21988175760

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1131079}}^1$

素因数の和:1131107

約数の個数: 120

約数和(自身を含む): 76578640320

約数和(自身を除く): 54590464560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 1131079, 2262158, 3393237, 4524316, 5655395, 6786474, 9048632, 10179711, 11310790, 13572948, 16966185, 18097264, 20359422, 22621580, 27145896, 30539133, 33932370, 40718844, 45243160, 50898555, 54291792, 61078266, 67864740, 81437688, 90486320, 91617399, 101797110, 122156532, 135729480, 152695665, 162875376, 183234798, 203594220, 244313064, 271458960, 274852197, 305391330, 366469596, 407188440, 458086995, 488626128, 549704394, 610782660, 732939192, 814376880, 916173990, 1099408788, 1221565320, 1374260985, 1465878384, 1832347980, 2198817576, 2443130640, 2748521970, 3664695960, 4397635152, 5497043940, 7329391920, 10994087880, 21988175760]

約数ペア:

[(1, 21988175760), (2, 10994087880), (3, 7329391920), (4, 5497043940), (5, 4397635152), (6, 3664695960), (8, 2748521970), (9, 2443130640), (10, 2198817576), (12, 1832347980), (15, 1465878384), (16, 1374260985), (18, 1221565320), (20, 1099408788), (24, 916173990), (27, 814376880), (30, 732939192), (36, 610782660), (40, 549704394), (45, 488626128), (48, 458086995), (54, 407188440), (60, 366469596), (72, 305391330), (80, 274852197), (81, 271458960), (90, 244313064), (108, 203594220), (120, 183234798), (135, 162875376), (144, 152695665), (162, 135729480), (180, 122156532), (216, 101797110), (240, 91617399), (243, 90486320), (270, 81437688), (324, 67864740), (360, 61078266), (405, 54291792), (432, 50898555), (486, 45243160), (540, 40718844), (648, 33932370), (720, 30539133), (810, 27145896), (972, 22621580), (1080, 20359422), (1215, 18097264), (1296, 16966185), (1620, 13572948), (1944, 11310790), (2160, 10179711), (2430, 9048632), (3240, 6786474), (3888, 5655395), (4860, 4524316), (6480, 3393237), (9720, 2262158), (19440, 1131079)]